Home / 55,729.54-83,529.91-25,680.96

Finding the Fourth Proportional to 55,729.54, 83,529.91 and 25,680.96

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Solution

The fourth proportional to 55,729.54, 83,529.91 and 25,680.96 is: 38,491.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,729.54 : 83,529.91 = 25,680.96 : x
  2. Step 2: Convert to fraction form
    55,729.54/83,529.91 = 25,680.96/x
  3. Step 3: Cross multiply
    55,729.54x = 83,529.91 × 25,680.96
  4. Step 4: Simplify right side
    55,729.54x = 2,145,128,277.51
  5. Step 5: Solve for x
    x = 2,145,128,277.51/55,729.54
  6. Step 6: Final answer
    x = 38,491.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.